package com.jorigin.util;

/**
 * @author
 * @description:
 * @date
 * @return
 * @throws Exception
 */
public class JavaApiTest {
    public static void main(String[] args){
        byte i = 'A';
        System.out.println("1="+i);
        System.out.println("2="+(byte)i);
        System.out.println("3="+(char)i);
    }
    
    
    
}
